Home / 17,288.33-25,923.22-5,439.89

Finding the Fourth Proportional to 17,288.33, 25,923.22 and 5,439.89

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Solution

The fourth proportional to 17,288.33, 25,923.22 and 5,439.89 is: 8,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,288.33 : 25,923.22 = 5,439.89 : x
  2. Step 2: Convert to fraction form
    17,288.33/25,923.22 = 5,439.89/x
  3. Step 3: Cross multiply
    17,288.33x = 25,923.22 × 5,439.89
  4. Step 4: Simplify right side
    17,288.33x = 141,019,308.43
  5. Step 5: Solve for x
    x = 141,019,308.43/17,288.33
  6. Step 6: Final answer
    x = 8,156.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.